OBREGON

Oil · District 01 · Lease #7149

Operator: PETRO-GUARD COMPANY, INC.

Fields: PEARSALL (AUSTIN CHALK)

Cum Oil

53k BBL

Cum Gas

38k MCF

casinghead

Wells

1

Production

1993-01 — 1998-03

Peak Month

1993-02

Production History

Cum Oil: 53,310 BBL Cum Gas: 38,155 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,984 BBL/mo

Di (annual)

44.8%

b-factor

0.0

EUR

53,096 BBL

R-squared

0.694

type

exponential

Operator History (from monthly production reports)

1999-07 — 2026-07 CORE E & P CORP. 325 mo

1999-05 — 1999-06 CORE ENERGY CORPORATION 2 mo

1997-03 — 1999-04 JAB OPERATING, INC. 26 mo

1993-01 — 1997-02 PETRO-GUARD COMPANY, INC. 50 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-163-31967	CORE E & P CORP.	2	9,500	1990-10-23